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Date: Mon, 22 Dec 2014 14:00:17 -0500
From: Neil Horman <nhorman@tuxdriver.com>
To: "Gonzalez Monroy, Sergio" <sergio.gonzalez.monroy@intel.com>
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 1/4] compat: Add infrastructure to support
 symbol versioning
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On Mon, Dec 22, 2014 at 05:09:55PM +0000, Gonzalez Monroy, Sergio wrote:
> > From: Neil Horman [mailto:nhorman@tuxdriver.com]
> > Sent: Monday, December 22, 2014 4:35 PM
> > 
> > On Mon, Dec 22, 2014 at 02:01:10PM +0000, Gonzalez Monroy, Sergio wrote:
> > >
> > > > From: Neil Horman [mailto:nhorman@tuxdriver.com]
> > > > Sent: Saturday, December 20, 2014 9:02 PM
> > > We could move the ifneq($(LIB),) to the _INSTALL variable (top of the same
> > file).
> > > Something like this:
> > >
> > > -_INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y)
> > > $(RTE_OUTPUT)/lib/$(LIB)
> > > +_INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y) ifneq ($(LIB),)
> > > +_INSTALL += $(RTE_OUTPUT)/lib/$(LIB) endif
> > >
> > Actually, as I look at it, this second one doesn't seem to make any sense to
> > me.
> > _INSTALL as a variable doesn't seem to get used anywhere that I can see,
> > certainly not in the capacity of copying shared libraries into the build/lib area
> > so that the example apps can get linked with them.  So I'm not sure this
> > makes sense.
> > 
> The _INSTALL var gets expanded for the rule '_install' in mk/internal/rte.install-post.mk if I am not mistaken.
> That would trigger the rule $(RTE_OUTPUT)/lib/$(LIB) which in turn builds and copy the shared/static library to build/lib.
> 
> If we do not add $(RTE_OUTPUT)/lib/$(LIB) to _INSTALL, then the rule will not trigger.
> 
I get all of that, but something isn't right with either your reasoning, or my
coding, as If I make the change you suggest, nothing ever gets copied into the
build/lib directory, either for a static or DSO build.

Neil

> Regards,
> Sergio
> 
> > Neil
> > 
>